From 85b04c1c24ced2709ff8f9e2a907bd8497042b6d Mon Sep 17 00:00:00 2001
From: taler21 <99262969+taler21@users.noreply.github.com>
Date: Fri, 16 Feb 2024 13:29:27 +0100
Subject: [PATCH] Don't reset selection while Ctrl or Shift key is pressed

Don't reset the selection in a generic multi-selection wxListCtrl while
Ctrl or Shift key is pressed to be consistent with wxMSW behaviour.

This commit is best viewed ignoring whitespace-only changes.

Closes #24332.
---
 src/generic/listctrl.cpp | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 341b256cc7..21bc5fb92c 100644
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -2549,12 +2549,17 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event )
         }
         else if (event.LeftDown())
         {
-            // reset the selection and bail out
-            HighlightAll(false);
-            // generate a DESELECTED event for
-            // virtual multi-selection lists
-            if ( IsVirtual() && !IsSingleSel() )
-                SendNotify( m_lineLastClicked, wxEVT_LIST_ITEM_DESELECTED );
+            // reset the selection in multi-selection mode only when Ctrl and
+            // Shift keys are not pressed to mimic MSW behaviour
+            if ( IsSingleSel() || !(event.ControlDown() || event.ShiftDown()) )
+            {
+                // reset the selection and bail out
+                HighlightAll(false);
+                // generate a DESELECTED event for
+                // virtual multi-selection lists
+                if ( IsVirtual() && !IsSingleSel() )
+                    SendNotify( m_lineLastClicked, wxEVT_LIST_ITEM_DESELECTED );
+            }
         }
 
         return;